West Nile virus

West Nile virus definition - medical

West Nile virus (wĕst nīl)

noun
A flavivirus that is transmitted by the bite of a mosquito and that can cause mild febrile illness as well as severe, sometimes fatal encephalitis and meningitis.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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